is needed to dim the built in LED strip under my carport canopy. It worked well, was easy to install and now I no longer glow in the dark when standing under a canopy! A few useful notes: This is a HIGH SIDE PMW (Pulse Width Modulation) dimmer, meaning it will switch +12VDC to light. . You need neutral for this to work. My original switch only had two wires connected: +12VDC to the switch and +12VDC to the LED lights. I connected the RED wire to +12V DC going to the old switch because it was always hot wire, I connected the WHITE wire to +12V DC coming from the old switch because it goes to the LED lights went. I then connected the BLACK wire to the group of neutral wires that were next to my switch. Now I can dim the canopy LEDs!
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